The Sky Today on Saturday, May 23: View Vallis Alpes
Alison Klesman
Looking for a sky event this week? Check out our full Sky This Week column. May 22: Busy moons around Jupiter The Moon passes 0.08° south of Regulus at 3 A.M. EDT. A few hours later, First Quarter Moon occurs at 7:11 A.M. EDT. First Quarter Moon offers some great targets for lunar observers. Plus, the great Continue reading "The Sky Today on Saturday, May 23: View Vallis Alpes" The post The Sky Today on Saturday, May 23: View Vallis Alpes appeared first on Astronomy Magazine .